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feat(ui_firestore): Expose index to FirestoreItemBuilder #497

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942002b
Expose index to FirestoreItemBuilder
jt274 Apr 30, 2025
55fa64c
Fix tests, doc, example
jt274 Apr 30, 2025
bac0f03
Merge branch 'main' into main
russellwheatley Jun 30, 2025
767edde
Bump cloud_firestore and firebase_core versions
jt274 Jul 28, 2025
6eab3a9
Merge remote-tracking branch 'upstream/main'
jt274 Jul 28, 2025
6d64c0a
Dependency updates, remove deprecated code
jt274 Jul 28, 2025
0a4cca3
Merge remote-tracking branch 'upstream/main'
jt274 Nov 18, 2025
b3d0e98
Fix conflicts
jt274 Nov 18, 2025
34a0407
Update docs
jt274 Nov 28, 2025
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4 changes: 2 additions & 2 deletions docs/firebase-ui-firestore.md
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ final usersQuery = FirebaseFirestore.instance.collection('users').orderBy('name'

FirestoreListView<Map<String, dynamic>>(
query: usersQuery,
itemBuilder: (context, snapshot) {
itemBuilder: (context, snapshot, index) {
Map<String, dynamic> user = snapshot.data();

return Text('User name is ${user['name']}');
Expand Down Expand Up @@ -109,7 +109,7 @@ final usersQuery = FirebaseFirestore.instance.collection('users')

FirestoreListView<User>(
query: usersQuery,
itemBuilder: (context, snapshot) {
itemBuilder: (context, snapshot, index) {
// Data is now typed!
User user = snapshot.data();

Expand Down
2 changes: 1 addition & 1 deletion packages/firebase_ui_firestore/example/lib/main.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ class FirebaseUIFirestoreExample extends StatelessWidget {
body: FirestoreListView<User>(
query: collection,
padding: const EdgeInsets.all(8.0),
itemBuilder: (context, snapshot) {
itemBuilder: (context, snapshot, index) {
final user = snapshot.data();
return Column(
children: [
Expand Down
11 changes: 6 additions & 5 deletions packages/firebase_ui_firestore/lib/src/query_builder.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -361,6 +361,7 @@ class _Sentinel {
typedef FirestoreItemBuilder<Document> = Widget Function(
BuildContext context,
QueryDocumentSnapshot<Document> doc,
int index,
);

/// A type representing the function passed to [FirestoreListView] for its `loadingBuilder`.
Expand Down Expand Up @@ -419,7 +420,7 @@ typedef FirestoreEmptyBuilder = Widget Function(BuildContext context);
/// ```dart
/// FirestoreListView<Movie>(
/// query: moviesCollection.orderBy('title'),
/// itemBuilder: (context, snapshot) {
/// itemBuilder: (context, snapshot, index) {
/// Movie movie = snapshot.data();
/// return Text(movie.title);
/// },
Expand Down Expand Up @@ -504,7 +505,7 @@ class FirestoreListView<Document> extends FirestoreQueryBuilder<Document> {
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
itemBuilder(context, doc),
itemBuilder(context, doc, index),
if (isLastItem && snapshot.hasMore)
fetchingIndicatorBuilder?.call(context) ??
const Padding(
Expand All @@ -521,7 +522,7 @@ class FirestoreListView<Document> extends FirestoreQueryBuilder<Document> {
],
),
)
: itemBuilder(context, doc);
: itemBuilder(context, doc, index);
},
scrollDirection: scrollDirection,
reverse: reverse,
Expand Down Expand Up @@ -615,7 +616,7 @@ class FirestoreListView<Document> extends FirestoreQueryBuilder<Document> {
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
itemBuilder(context, doc),
itemBuilder(context, doc, index),
if (isLastItem && snapshot.hasMore)
fetchingIndicatorBuilder?.call(context) ??
const Padding(
Expand All @@ -632,7 +633,7 @@ class FirestoreListView<Document> extends FirestoreQueryBuilder<Document> {
],
),
)
: itemBuilder(context, doc);
: itemBuilder(context, doc, index);
},
separatorBuilder: separatorBuilder,
scrollDirection: scrollDirection,
Expand Down
12 changes: 8 additions & 4 deletions tests/integration_test/firebase_ui_firestore/firestore_list_view_test.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,8 @@ void main() {
body: FirestoreListView<Map>(
query: collection.orderBy('value'),
loadingBuilder: (context) => const Text('loading...'),
itemBuilder: (context, snapshot) => throw UnimplementedError(),
itemBuilder: (context, snapshot, index) =>
throw UnimplementedError(),
),
),
),
Expand All @@ -84,7 +85,8 @@ void main() {
home: Scaffold(
body: FirestoreListView<Map>(
query: collection.orderBy('value'),
itemBuilder: (context, snapshot) => throw UnimplementedError(),
itemBuilder: (context, snapshot, index) =>
throw UnimplementedError(),
),
),
),
Expand All @@ -105,7 +107,8 @@ void main() {
body: FirestoreListView<Map>(
query: collection,
cacheExtent: 0,
itemBuilder: (context, snapshot) => throw UnimplementedError(),
itemBuilder: (context, snapshot, index) =>
throw UnimplementedError(),
),
),
),
Expand Down Expand Up @@ -144,7 +147,7 @@ void main() {
cacheExtent: 0,
pageSize: 5,
itemExtent: size,
itemBuilder: (context, snapshot) {
itemBuilder: (context, snapshot, index) {
final v = snapshot.data()['value'] as int;

return Container(
Expand Down Expand Up @@ -208,6 +211,7 @@ class ListViewBuilderSpy<T> extends Mock {
Widget call(
BuildContext? context,
T? snapshot,
int? index,
) {
return super.noSuchMethod(
Invocation.method(#call, [context, snapshot]),
Expand Down